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COMMENTS should be addressed to the tab "data_dictionary_v2" for inclusion in future freeze releases.
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Attibute GroupAttribute NameQuestion in questionnaireValuesType of anwer (single/multiple)Course of HospitalizationLongitudinal studiesContributorTime of collection (One-Time/Visit-Time)
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Identificationhost_hospitalHost hospitalpair: country-code, city-codesinglemandatorymandatoryadminOne-Time
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anonymized_patient_id
Anonymized patient IDalpha-numericalsinglemandatorymandatoryadminOne-Time
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Demographicsage_at_diagnosisAge at diagnosisvalue (in years)singlemandatoryanyOne-Time
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sexSex0 Male
1 Female
2 Intersex
-3 Prefer not to answer
singlemandatoryanyOne-Time
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ancestrySelf-reported ancestry0 White
1 Black
2 Hispanic
3 East Asian / Pacific Islander
4 South Asian
5 Middle Eastern or Central Asian
6 More than one race
7 American Indian or Alaska Native
8 Native Hawaiian or Other Pacific Islander
-1 Don't know
-3 Prefer not to answer
singlemandatoryanyOne-Time
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heightHeight (cm)value (in cm)
-1 Don't know
-3 Prefer not to answer
singlemandatoryanyOne-Time
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weightWeight (Kg)value (in Kg)
-1 Don't know
-3 Prefer not to answer
singlemandatoryanyOne-Time
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pregnancyAre you currently pregnant? If so, enter gestational ageGestational age (months)
-1 Male or not currently pregnant
singleoptionalanyOne-Time
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educationHighest educational level
0 Elementary/primary school
1 High school
2 Vocational school/2 year college
3 Bachelor's degree/4 year college
4 Master's degree or higher
-1 Don't know
-3 Prefer not to answer
singleoptionalanyOne-Time
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job
How physically taxing is your job? Choose the best option
0 I am not employed and homeless
1 I am not employed or my job involves sitting and not much walking
2 my job involves walking but no lifting or carrying heavy objects
3 I have to walk a lot and lift objects and go up stairs or uphill
4 my job involves heavy physical labor, where I have to lift or carry heavy objects, dig, shovel, or use a hammer
-1 Do not know
-3 Prefer not to answer
singleoptionalanyOne-Time
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num_minorsExposed to individuals <18 years oldnumericalsingleoptionalanyOne-Time
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Exposureexposed_carrierExposed to known COVID19 carrier Iin the last 20 days)0 No
1 Yes
-1 Don't know
singleanyOne-Time
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travelTravel (in the last 20 days)
0 Domestic
1 International
2 Domestic and International
3 None
-1 Don't know
singleanyOne-Time
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job_medicalAre you working as medical professional?
0 No
1 Yes
-3 Prefer not to answer
-1 Don't know
singleanyOne-Time
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Risk Factorssmoke_100Have you smoked at least 100 cigarettes in your entire life? (There are 20 cigarettes in a pack.)?0 No
1 Yes
-1 Don't know
-3 Prefer not to answer
singleoptionalanyOne-Time
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smoke_habitWhen you smoke/have smoked, how many cigarettes do/did you usually smoke daily?0 I don't smoke
1 1-10
2 11-20
3 21-30
4 31 or more
-1 Do not know
-3 Prefer not to answer
singleoptionalanyOne-Time
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alcohol_habitHow often do you consume alcoholic beverages?
0 Never
1 Once a month or less
2 2-4 times a month
3 2-3 times per week
4 4 times or more per week
singleoptionalanyOne-Time
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substances_habitHow often do you make use of other substances (e.g., meth, marijuana, crack, cocaine)
0 Never
1 Once a month or less
2 2-4 times a month
3 2-3 times per week
4 4 times or more per week
singleoptionalanyOne-Time
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Comorbidities: Immune systemcom_hivHIV0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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com_cd4_countCD4+ T cell countnumericalsinglemandatoryMDOne-Time
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com_hiv_loadHIV viral loadnumericalsinglemandatoryMDOne-Time
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com_immunocompImmunocompromised status0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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come_immunocomp_time
Days from the onset of covid-19 symptoms to immuno-compromisationnumericalsinglemandatoryMDOne-Time
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com_transplantOrgan transplant0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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com_transplat_typeOrgan type of transplant
1 Heart
2 Kidney
3 Liver
4 Pancreas
5 Intestine
6 Lung
7 Eye (Cornea)
8 Blood/bone marrow
9 Blood vessel
10 Other
multiplemandatoryMDOne-Time
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com_bm_transplantBone marrow transplant0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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com_autoimm_rheumAutoimmune or rheumatologic disease (e.g., rheumatoid arthritis, systemic lupus erythematosus, multiple sclerosis, inflammaory bowel disease)0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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com_type_i_diabetesType I diabetes0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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com_type_ii_diabetesType II diabetes0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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Comorbidities: Respiratory systemcom_asthmaAsthma0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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com_chronic_pulmChronic obstructive pulmonary disease (COPD)0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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com_cystic_fibrosisCystic Fibrosis0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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com_sleep_apneaSleep Apnea0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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com_sleep_cpapDo you use a home CPAP (continuous positive airway pressure) device at home at night?0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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Comorbidities: Accessory digestive organscom_liverLiver disease0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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com_gallblGallbladder0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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com_pancreasPancreas0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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Comorbitidies: renalcom_chronic_kidneyChronic kidney disease0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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Comorbidities: Cardiovascular systemcom_angioBalloon angioplasty or percutanuous coronary intervention0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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com_bypassCoronary artery bypass0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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com_heart_failureCongestive heart failure0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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com_hypertensionHypertension0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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com_infarction_type1Myocardial infarction Type I0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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com_infarction_type2Myocardial infarction Type II0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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com_vascularPeripheral vascular disease0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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com_strokeStroke0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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com_arrythmiasArrythmias0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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Comorbidities: Neurologicalcom_dementiaDementia0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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com_neurologicalNeurological or neuropsychiatric disease0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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Comorbidities: Cancercom_leukemiaLeukemia0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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com_lymphomaLymphoma0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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com_malignant_solidMalignant solid tumor0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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Hospitalization informationhospitalizationHospitalization0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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icu_admitICU admit0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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icu_durationNumber of days in ICUnumericalsinglemandatoryMDOne-Time
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hospitalization_startDate at the start of hospitalization
DD-MM-YYYY
-1 Don't know
0 Not hospitalized
singlemandatoryMDOne-Time
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hospitalization_endDate at the end of hospitalization
DD-MM-YYYY
-1 Don't know
0 Not hospitalized
singlemandatoryMDOne-Time
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hospitalization_end_cause
Reason for ending hospitalization
0 Discharge (recovered)
1 Death related to or as complication of COVID-19
2 Death unrelated to COVID-19
-1 Other/Unknown
singlemandatoryMDOne-Time
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septic_shockSeptic shock0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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septic_shock_timeDays from the onset of covid-19 symptoms numericalsingleoptionalMDOne-Time
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organ_failureMultiple organ dysfunction/failure0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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respiratory_failureRespiratory failure0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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respiratory_rateRespiratory rate at admission0 not elevated
1 slightly elevated
2 moderately elevated
3 severely elevated
-1 Don’t know
singlemandatoryMDOne-Time
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respiratory_frequencyRespiratory frequency (breaths per minute)value (per minute)
-1 Don't know
singlemandatoryMDOne-Time
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blood_o2_saturationBlood oxygen saturation-min value (SpO2 %)value (%)
-1 Don't know
singlemandatoryMDOne-Time
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highest_respiratory_supportHighest level of respiratory support0 oxygen (mask, nasal cannula)
1 non-invasive ventilation (CPAP, BIPAP)
2 intubation
-1 Don't know
-7 None of the above
singlemandatoryMDOne-Time
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days_ventilatorIf ventilator was used, for how many days?value (days)
-1 Don't know
singlemandatoryMDOne-Time
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pao2_minPaO2 (min value, measured from arterial blood gas)value (in mm Hg)
-1 Don't know
singlemandatoryMDOne-Time
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fio2_maxFiO2 (max value, setting on ventilator)value (%)
-1 Don't know
singlemandatoryMDOne-Time
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lung_infilatratesRadiographic lung infiltrates (e.g., CXR, CT) within 24 to 48 hours0 <=50%
1 > 50%
-1 Don't known
singlemandatoryMDOne-Time
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pneumoniaPneumonia
0 Absent
1 Monolateral
2 Bilateral
3 Bilateral diffused
-1 Unknown
singlemandatoryMDOne-Time
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pneumonia_timeDays from the onset of covid-19 symptomsnumericalsinglemandatoryMDOne-Time
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ef_echoEjection fraction % in echocardiogram (e.g., a left ventricular EF of about >55% is normal)numericalsinglemandatoryMDOne-Time
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hepatitisHepatitis0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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pancreatitisPancreatitis0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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pleural_effusionPleural effusion0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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acute_kidney_failureAcute kidney failure0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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acute_kidney_chronic
Acute on Chronic Kidney Insufficiency
0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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ascitesAscites0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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dyspneaDyspnea0 No
1 Yes
-1 Don't know
singlemandatoryMDOne-Time
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Symptoms at admission / longitudinalvisit_dateVisit datedatesinglemandatorymandatoryanyOne-Time/Visit-Time
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covid19_testCOVID19 test result0 Negative
1 Positive
-1 Don't know
singlemandatoryanyOne-Time/Visit-Time
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covid19_test_dateCOVID19 test date (days before admission)numericalsinglemandatoryanyOne-Time/Visit-Time
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dry_coughDry cough0 No
1 Yes
-1 Don't know
singlemandatorymandatoryanyOne-Time/Visit-Time
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mucus_coughCough with mucus0 No
1 Yes
-1 Don't know
singlemandatorymandatoryanyOne-Time/Visit-Time
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days_coughDays with coughvalue (days)
-1 Don't know
singlemandatorymandatoryanyOne-Time/Visit-Time
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difficulty_breathingDifficulty breathing on pain when breathing
0 No
1 Yes, Slight
2 Yes, Moderate
3 Yes, Severe
-1 Don't know
singlemandatorymandatoryanyOne-Time/Visit-Time
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feverFever0 No
1 Yes
-1 Don't know
singlemandatorymandatoryanyOne-Time/Visit-Time
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highest_tempHighest temp (Celsius)value (in celsius)
-1 Don't know
singlemandatorymandatoryanyOne-Time/Visit-Time
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days_feverDays with Fevervalue (days)
-1 Don't know
singlemandatorymandatoryanyOne-Time/Visit-Time
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fatigueFatigue0 No
1 Yes
-1 Don't know
singlemandatorymandatoryanyOne-Time/Visit-Time
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pain_chest_heartPain in the chest or heart area0 No
1 Yes
-1 Don't know
singlemandatorymandatoryanyOne-Time/Visit-Time
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pain_backLower back pain0 No
1 Yes
-1 Don't know
singlemandatorymandatoryanyOne-Time/Visit-Time
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runny_noseRunny nose0 No
1 Yes
-1 Don't know
singlemandatorymandatoryanyOne-Time/Visit-Time
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sore_throatSore throat0 No
1 Yes
-1 Don't know
singlemandatorymandatoryanyOne-Time/Visit-Time
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loss_taste_smellLoss of taste/smell sense
0 No
1 Only smell
2 Only taste
3 Both smell and taste
-1 Don't know
singlemandatorymandatoryanyOne-Time/Visit-Time
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diarrheaDiarrhea0 No
1 Yes
-1 Don't know
singlemandatorymandatoryanyOne-Time/Visit-Time